| 摘要 |
FIELD: information technologies. ^ SUBSTANCE: invention concerns digital broadcasting send-receive system and the method of processing of signals in this system which can refine performances of reception of system by input of known sequence in the data flow in system of partial inhibition of a lateral strip (VSB) and the subsequent transmission of the data flow with the entered known sequence. The numeral broadcasting transmitter has the generator of random numbers for randomizing of stream of input data which has the zero bytes entered into the given standing, the multiplexer for a deduction of the data flow, the certain known data generated by input in a standing of zero bytes of the randomised data flow, the coder for coding of the data flow from an exit of the multiplexer and the radio-frequency transformer for modulation of the coded data, radio-frequency transformation of modulated data and transmission of the conversed radio-frequency data. Performances of reception of digital broadcasting send-receive system can be refined even in the multibeam channel by extraction of known data from the gained signal, using known data for sync and level alignment in a digital announcement. ^ EFFECT: improvement of send-receive performance. ^ 27 cl, 11 dwg |
